:root{
  --bp-bg:#f4f6fb;--bp-panel:#fff;--bp-panel-2:#eef1f6;--bp-text:#1b2130;--bp-muted:#667085;--bp-line:#d7dde8;
  --bp-accent:#527313;--bp-accent-text:#fff;--bp-danger:#b84b4b;--bp-game-bg:#111827;--bp-game-line:#2b3850;
}
html[data-theme="dark"]{--bp-bg:#0b0e16;--bp-panel:#121824;--bp-panel-2:#171f2e;--bp-text:#f4f6fb;--bp-muted:#a5afc0;--bp-line:#283348;--bp-accent:#b7d85e;--bp-accent-text:#10150a;--bp-game-bg:#090d16;--bp-game-line:#27334a}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}.bubble-pop-page button,.bubble-pop-page a{-webkit-tap-highlight-color:transparent}.bubble-pop-page button:focus-visible,.bubble-pop-page a:focus-visible,.bubble-pop-page summary:focus-visible,.bubble-pop-page canvas:focus-visible{outline:3px solid var(--bp-accent);outline-offset:3px}.svg-library{position:absolute;width:0;height:0;overflow:hidden}.sr-only{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.skip-link{position:fixed;top:-80px;left:20px;z-index:300;padding:12px 20px;border-radius:10px;background:var(--bp-accent);color:var(--bp-accent-text);font-weight:800;text-decoration:none}.skip-link:focus{top:12px}
body.bubble-pop-page{margin:0;background:var(--bp-bg);color:var(--bp-text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.bubble-pop-page *{box-sizing:border-box}.bp-page-main{max-width:1180px;margin:0 auto;padding:0 24px 72px}.bp-kicker{margin:0;color:var(--bp-muted);font-size:10px;font-weight:850;letter-spacing:.14em;text-transform:uppercase}.bp-hero{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:34px;align-items:end;padding:54px 0 30px}.bp-hero h1{margin:5px 0 13px;font-size:clamp(46px,7vw,82px);line-height:.94;letter-spacing:-.055em}.bp-hero h1 span{color:var(--bp-accent)}.bp-hero p:not(.bp-kicker){max-width:760px;margin:0;color:var(--bp-muted);font-size:clamp(16px,2vw,19px);line-height:1.65}.bp-hero-tags{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:7px;max-width:330px}.bp-hero-tags span{padding:7px 10px;border:1px solid var(--bp-line);border-radius:999px;background:var(--bp-panel);color:var(--bp-muted);font-size:11px;font-weight:800}
.bubble-pop-module{position:relative;max-width:900px;margin:0 auto 44px}.bp-game-shell{position:relative;border:1px solid var(--bp-line);border-radius:24px;background:var(--bp-panel);overflow:hidden}.bp-control-topbar{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px;border-bottom:1px solid var(--bp-line);background:var(--bp-panel)}.bp-topbar-start,.bp-topbar-actions,.bp-theme-options{display:flex;align-items:center;gap:6px;min-width:0}.bp-home-link,.bp-theme-option,.bp-topbar-action{min-height:44px;border:1px solid var(--bp-line);border-radius:11px;background:var(--bp-panel-2);color:var(--bp-text);font:750 12px/1 system-ui,sans-serif;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 10px}.bp-home-link{width:44px;padding:0;flex:0 0 44px}.bp-theme-option[aria-pressed="true"]{border-color:color-mix(in srgb,var(--bp-accent) 70%,var(--bp-line));background:color-mix(in srgb,var(--bp-accent) 14%,var(--bp-panel))}.bp-icon{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.bp-support-row{display:flex;justify-content:flex-end;padding:8px 12px 0}.bp-support-row .alexo-support{font-size:11px}.bp-prototype-strip{display:grid;grid-template-columns:auto 1fr;gap:12px;margin:9px 12px 10px;padding:10px 12px;border:1px dashed color-mix(in srgb,var(--bp-accent) 55%,var(--bp-line));border-radius:12px;background:color-mix(in srgb,var(--bp-accent) 6%,var(--bp-panel));font-size:12px;line-height:1.45}.bp-prototype-strip strong{white-space:nowrap}.bp-prototype-strip span{color:var(--bp-muted)}
.bp-hud{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;padding:0 12px 10px}.bp-hud>div{min-width:0;padding:9px 10px;border:1px solid var(--bp-line);border-radius:11px;background:var(--bp-panel-2);display:flex;align-items:center;justify-content:space-between;gap:8px}.bp-hud span{color:var(--bp-muted);font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.06em}.bp-hud strong{font-size:16px}.bp-next i{display:block;width:24px;height:24px;border-radius:50%;box-shadow:inset -3px -4px 7px #0002,inset 3px 3px 5px #fff7;border:1px solid #0002}
.bp-play-area{position:relative;padding:0 12px 14px}.bp-board-wrap{position:relative;max-width:460px;margin:0 auto;border:1px solid var(--bp-game-line);border-radius:18px;overflow:hidden;background:var(--bp-game-bg);touch-action:none;box-shadow:inset 0 0 0 1px #ffffff0c}.bp-board-wrap canvas{display:block;width:100%;height:auto;aspect-ratio:2/3;touch-action:none;user-select:none;-webkit-user-select:none}.bp-shot-label{position:absolute;left:12px;right:12px;bottom:9px;padding:6px 9px;border-radius:999px;background:#05070db8;color:#dce5f4;font-size:10px;font-weight:750;text-align:center;pointer-events:none;backdrop-filter:blur(5px)}.bp-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;max-width:460px;margin:10px auto 0}.bp-action,.bp-button{min-height:44px;border:1px solid var(--bp-line);border-radius:11px;background:var(--bp-panel);color:var(--bp-text);font:800 12px/1.2 system-ui,sans-serif;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:10px 13px;cursor:pointer}.bp-action.is-primary,.bp-button.primary{border-color:var(--bp-accent);background:var(--bp-accent);color:var(--bp-accent-text)}.bp-mechanic-note{max-width:460px;margin:10px auto 0;color:var(--bp-muted);font-size:11px;line-height:1.55;text-align:center}.bp-mechanic-note strong{color:var(--bp-text)}
.bp-overlay{position:absolute;inset:0;z-index:10;display:grid;place-items:center;padding:18px;background:#080b12b8;backdrop-filter:blur(6px)}.bp-overlay[hidden]{display:none}.bp-overlay-card{width:min(100%,390px);padding:26px;border:1px solid var(--bp-line);border-radius:18px;background:var(--bp-panel);text-align:center}.bp-overlay-card h2{margin:5px 0 8px;font-size:28px}.bp-overlay-card p{margin:0 0 18px;color:var(--bp-muted);line-height:1.55}.bp-stars{font-size:28px;letter-spacing:4px;color:#f0b34b}.bp-overlay-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.bp-level-panel{position:fixed;inset:0;z-index:200;display:grid;place-items:center;padding:18px;background:#05070db8;backdrop-filter:blur(7px)}.bp-level-panel[hidden]{display:none}.bp-level-panel-inner{width:min(100%,620px);max-height:80vh;overflow:auto;padding:20px;border:1px solid var(--bp-line);border-radius:20px;background:var(--bp-panel)}.bp-level-panel header{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px}.bp-level-panel header p{margin:0 0 3px;color:var(--bp-muted);font-size:10px;font-weight:850;letter-spacing:.13em}.bp-level-panel h2{margin:0;font-size:30px}.bp-level-panel header button{width:44px;height:44px;border:1px solid var(--bp-line);border-radius:11px;background:var(--bp-panel-2);color:var(--bp-text)}.bp-level-list{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.bp-level-card{min-height:78px;padding:9px;border:1px solid var(--bp-line);border-radius:12px;background:var(--bp-panel-2);color:var(--bp-text);text-align:left;cursor:pointer}.bp-level-card[disabled]{opacity:.42;cursor:not-allowed}.bp-level-card strong,.bp-level-card span{display:block}.bp-level-card strong{font-size:15px}.bp-level-card span{margin-top:5px;color:var(--bp-muted);font-size:10px;line-height:1.25}.bp-level-card b{display:block;margin-top:4px;color:#f0b34b;font-size:11px;letter-spacing:1px}
.bp-test-notes{display:grid;grid-template-columns:minmax(220px,.65fr) minmax(0,1.35fr);gap:34px;align-items:start;padding:48px 0 12px}.bp-test-notes h2{margin:7px 0 0;font-size:clamp(28px,4vw,45px);line-height:1.06}.bp-note-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.bp-note-grid article{padding:19px;border:1px solid var(--bp-line);border-radius:15px;background:var(--bp-panel)}.bp-note-grid strong{font-size:12px;color:var(--bp-accent)}.bp-note-grid h3{margin:8px 0;font-size:18px}.bp-note-grid p{margin:0;color:var(--bp-muted);font-size:12px;line-height:1.6}
.bp-game-shell:fullscreen{width:100%;height:100%;max-width:none;border:0;border-radius:0;background:var(--bp-bg);overflow:auto;padding-bottom:20px}.bp-game-shell:fullscreen .bp-control-topbar{position:sticky;top:0;z-index:30}.bp-game-shell:fullscreen .bp-board-wrap{width:min(94vw,460px)}
@media(max-width:760px){.bp-page-main{padding:0 12px 52px}.bp-hero{grid-template-columns:1fr;gap:16px;padding:34px 4px 22px}.bp-hero-tags{justify-content:flex-start;max-width:none}.bubble-pop-module{margin-bottom:34px}.bp-control-topbar{align-items:flex-start}.bp-theme-option span,.bp-topbar-action span{display:none}.bp-theme-option,.bp-topbar-action{width:44px;padding:0;flex:0 0 44px}.bp-prototype-strip{grid-template-columns:1fr;gap:3px}.bp-hud{grid-template-columns:repeat(2,1fr)}.bp-test-notes{grid-template-columns:1fr;gap:18px}.bp-note-grid{grid-template-columns:1fr 1fr}.bp-level-list{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:430px){.bp-page-main{padding-left:8px;padding-right:8px}.bp-game-shell{border-radius:18px}.bp-control-topbar{padding:8px}.bp-topbar-start,.bp-topbar-actions,.bp-theme-options{gap:4px}.bp-home-link,.bp-theme-option,.bp-topbar-action{width:44px;min-height:44px;flex-basis:44px}.bp-prototype-strip{margin-left:8px;margin-right:8px}.bp-hud{padding-left:8px;padding-right:8px}.bp-play-area{padding-left:8px;padding-right:8px}.bp-note-grid{grid-template-columns:1fr}.bp-level-panel{padding:10px}.bp-level-panel-inner{padding:14px}.bp-level-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:340px){.bp-control-topbar{gap:3px}.bp-hud>div{padding:8px}.bp-hud strong{font-size:14px}.bp-prototype-strip{font-size:11px}}
/* 500-level campaign additions */
.bp-preview-row{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:6px;margin:0 12px 9px}.bp-preview-row>span{margin-right:3px;color:var(--bp-muted);font-size:10px;font-weight:850;letter-spacing:.06em;text-transform:uppercase}.bp-preview-row button{min-height:36px;padding:7px 10px;border:1px solid var(--bp-line);border-radius:999px;background:var(--bp-panel-2);color:var(--bp-text);font:800 11px/1 system-ui,sans-serif;cursor:pointer}.bp-preview-row button:hover{border-color:color-mix(in srgb,var(--bp-accent) 55%,var(--bp-line))}.bp-mechanic-tests{margin-bottom:11px}.bp-mechanic-tests button{border-style:dashed}
.bp-pressure{display:flex;align-items:center;justify-content:center;gap:10px;margin:0 12px 10px;padding:8px 10px;border:1px solid color-mix(in srgb,#f0b34b 45%,var(--bp-line));border-radius:11px;background:color-mix(in srgb,#f0b34b 7%,var(--bp-panel));color:var(--bp-muted);font-size:10px}.bp-pressure[hidden]{display:none}.bp-pressure strong{font-size:10px;color:var(--bp-text);letter-spacing:.03em}.bp-pressure>div{display:flex;gap:4px}.bp-pressure i{display:block;width:9px;height:9px;border-radius:50%;border:1px solid color-mix(in srgb,#f0b34b 65%,var(--bp-line));background:transparent}.bp-pressure i.is-safe{background:#f0b34b}.bp-pressure i.is-used{background:color-mix(in srgb,var(--bp-danger) 70%,transparent);border-color:var(--bp-danger)}
.bp-world-list{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px;margin-bottom:15px;padding-bottom:15px;border-bottom:1px solid var(--bp-line)}.bp-world-card{position:relative;min-height:82px;padding:10px;border:1px solid var(--bp-line);border-radius:12px;background:var(--bp-panel-2);color:var(--bp-text);text-align:left;cursor:pointer}.bp-world-card.is-current{border-color:var(--bp-accent);background:color-mix(in srgb,var(--bp-accent) 10%,var(--bp-panel))}.bp-world-card strong{display:inline-grid;place-items:center;width:24px;height:24px;margin-right:5px;border-radius:8px;background:var(--bp-panel);font-size:11px}.bp-world-card span{font-size:11px;font-weight:850}.bp-world-card small{display:block;margin-top:7px;color:var(--bp-muted);font-size:9px;line-height:1.3}.bp-world-card b{position:absolute;right:8px;top:8px;font-size:10px}.bp-level-card{position:relative}.bp-level-card.is-current{border-color:var(--bp-accent)}.bp-level-card em{position:absolute;right:6px;top:6px;padding:2px 5px;border-radius:999px;background:color-mix(in srgb,#f0b34b 18%,var(--bp-panel));color:#9a6500;font-size:8px;font-style:normal;font-weight:900;letter-spacing:.04em;text-transform:uppercase}html[data-theme="dark"] .bp-level-card em{color:#f0c66e}.bp-note-grid{grid-template-columns:repeat(4,1fr)}
@media(max-width:760px){.bp-preview-row{justify-content:flex-start}.bp-world-list{grid-template-columns:repeat(2,minmax(0,1fr))}.bp-note-grid{grid-template-columns:1fr 1fr}}
@media(max-width:430px){.bp-preview-row{margin-left:8px;margin-right:8px}.bp-preview-row>span{flex:0 0 100%}.bp-preview-row button{flex:1 1 auto}.bp-pressure{margin-left:8px;margin-right:8px}.bp-world-list{grid-template-columns:1fr 1fr}.bp-world-card{min-height:76px}.bp-level-card em{position:static;display:inline-block;margin-top:5px}.bp-note-grid{grid-template-columns:1fr}}

/* Production content / SEO sections */
.bp-content-area{max-width:1080px;margin:0 auto}.bp-intro-section,.bp-content-section,.bp-difficulty,.bp-long-content,.bp-faq{padding:48px 0;border-bottom:1px solid var(--bp-line)}.bp-intro-section{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:46px;align-items:start}.bp-intro-section h2,.bp-section-head h2,.bp-difficulty h2,.bp-long-content h2,.bp-faq h2{margin:8px 0 0;font-size:clamp(28px,4vw,43px);line-height:1.05;letter-spacing:-.04em}.bp-intro-section>p,.bp-difficulty header>p{margin:4px 0 0;color:var(--bp-muted);font-size:15px;line-height:1.85}.bp-section-head{margin-bottom:26px}.bp-step-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px}.bp-step-grid article,.bp-content-grid article,.bp-difficulty-grid article{padding:20px;border:1px solid var(--bp-line);border-radius:14px;background:color-mix(in srgb,var(--bp-panel) 96%,transparent)}.bp-step-grid article>span,.bp-difficulty-grid strong{display:block;margin-bottom:13px;color:var(--bp-accent);font:800 11px ui-monospace,monospace}.bp-step-grid p,.bp-content-grid p,.bp-content-grid li,.bp-difficulty-grid p,.bp-article-body p,.bp-faq-list p{margin:0;color:var(--bp-muted);font-size:14px;line-height:1.85}.bp-content-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px;padding:48px 0;border-bottom:1px solid var(--bp-line)}.bp-content-grid h2{margin:7px 0 12px;font-size:21px}.bp-content-grid ul{margin:0;padding-left:18px}.bp-content-grid li+li{margin-top:8px}.bp-difficulty header{display:grid;grid-template-columns:minmax(0,.85fr) minmax(280px,.65fr);gap:36px;align-items:end;margin-bottom:25px}.bp-difficulty-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.bp-difficulty-grid h3{margin:0 0 10px;font-size:18px;line-height:1.2}.bp-long-content header{max-width:790px;margin-bottom:27px}.bp-article-body{max-width:880px}.bp-article-body p+p{margin-top:19px}.bp-faq-list{margin-top:26px;border-top:1px solid var(--bp-line)}.bp-faq-list details{border-bottom:1px solid var(--bp-line)}.bp-faq-list summary{min-height:52px;display:flex;align-items:center;cursor:pointer;font-size:13px;font-weight:800}.bp-faq-list p{padding:0 0 18px}.bp-bottom-cta{display:flex;align-items:center;justify-content:space-between;gap:22px;margin:48px 0;padding:24px;border:1px solid var(--bp-line);border-radius:16px;background:var(--bp-panel)}.bp-bottom-cta h2{margin:5px 0 0;font-size:27px}.bp-bottom-cta .bp-button{text-decoration:none}
@media(max-width:820px){.bp-difficulty header{grid-template-columns:1fr;gap:14px}.bp-difficulty-grid{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.bp-step-grid,.bp-content-grid,.bp-difficulty-grid{grid-template-columns:1fr}.bp-intro-section{grid-template-columns:1fr;gap:16px}.bp-intro-section,.bp-content-section,.bp-difficulty,.bp-long-content,.bp-faq,.bp-content-grid{padding:38px 0}.bp-bottom-cta{align-items:flex-start;flex-direction:column}.bp-bottom-cta .bp-button{width:100%}}
@media print{.alexo-global-header,.bubble-pop-module,.alexo-global-footer,.bp-bottom-cta,.skip-link{display:none!important}body.bubble-pop-page{background:#fff;color:#000}.bp-page-main{max-width:none;padding:0}.bp-intro-section,.bp-content-section,.bp-difficulty,.bp-long-content,.bp-faq,.bp-content-grid{border:0}.bp-article-body p,.bp-content-grid p,.bp-content-grid li,.bp-difficulty-grid p,.bp-faq-list p{color:#222}}